X5648 Datasheet, PDF (12/18 Pages) Intersil Corporation – CPU Supervisor with 64Kbit SPI EEPROM

X5648, X5649
Serial Output Timing
Symbol
f_SCK
t_DIS
t_V
t_HO
t_RO(3)
t_FO(3)
Parameter
Clock frequency
Output disable time
Output valid from clock low
Output hold time
Output rise time
Output fall time
2.7-5.5V
Min.
Max.
0
2
250
250
0
100
100
Unit
MHz
ns
ns
ns
ns
ns
Notes: (3) This parameter is periodically sampled and not 100% tested.
(4) t_WC is the time from the rising edge of CS after a valid write sequence has been sent to the end of the self-timed internal nonvolatile
write cycle.
Serial Output Timing
CS
SCK
t_CYC
t_WH
t_LAG
t_V
t_HO
t_WL
t_DIS
SO
MSB Out
MSB–1 Out
LSB Out
SI
ADDR
LSB IN
Power-Up and Power-Down Timing
V_TRIP
V_CC
0 Volts
t_R
RESET (X5648)
t_PURST
t_PURST
V_TRIP
t_F
t_RPD
RESET (X5649)
12
FN8136.0
March 17, 2005